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Priority to JP1988114931UpriorityCriticalpatent/JPH0640078Y2/ja
Publication of JPH0235900UpublicationCriticalpatent/JPH0235900U/ja
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Publication of JPH0640078Y2publicationCriticalpatent/JPH0640078Y2/ja
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T70/00—Maritime or waterways transport
Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
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Aeration Devices For Treatment Of Activated Polluted Sludge
(AREA)
Soundproofing, Sound Blocking, And Sound Damping
(AREA)